There are several restrictions:

1. Onlu dump is checked (--norst) for now
2. Only host flavor as tests has to start themselves in non-root mode
3. Only non-suid tests
4. TCP doesn't work too, should be manually excluded :\
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Looks-good-to-me: Andrew Vagin <avagin@virtuozzo.com>